中国组织工程研究 ›› 2024, Vol. 28 ›› Issue (17): 2696-2701.doi: 10.12307/2024.410

• 组织工程骨材料 tissue-engineered bone • 上一篇    下一篇

成骨诱导因子缓释系统修饰国产多孔钽对MG63细胞功能的影响

郭小玲1,李粤源2,徐田杰1,张  辉3,王志强2,王  茜1   

  1. 1华北理工大学基础医学院,河北省唐山市  063000;2华北理工大学附属医院骨科,河北省唐山市  063000;3唐山市第二医院关节一科,河北省唐山市  063000
  • 收稿日期:2023-06-10 接受日期:2023-07-20 出版日期:2024-06-18 发布日期:2023-12-15
  • 通讯作者: 王茜,博士,副教授,硕士生导师,华北理工大学基础医学院,河北省唐山市 063000
  • 作者简介:郭小玲,女,1999年生,湖南省永州市人,汉族,在读硕士,主要从事骨组织工程研究。
  • 基金资助:
    国家科技支撑计划课题资助项目(2012BAE06B03),项目负责人:王志强;河北省科技支撑资助项目(16277776D),项目负责人:王志强;三三人才工程(C20221117),项目负责人:张辉;河北省2023年度医学科学研究课题(20230215),项目负责人:王茜

Effect of domestic porous tantalum modified by osteogenic induction factor slow-release system on function of MG63 cells

Guo Xiaoling1, Li Yueyuan2, Xu Tianjie1, Zhang Hui3, Wang Zhiqiang2, Wang Qian1   

  1. 1Basic Medical College of North China University of Science and Technology, Tangshan 063000, Hebei Province, China; 2Department of Orthopedics, Affiliated Hospital of North China University of Science and Technology, Tangshan 063000, Hebei Province, China; 3First Department of Arthrology, Tangshan Second Hospital, Tangshan 063000, Hebei Province, China
  • Received:2023-06-10 Accepted:2023-07-20 Online:2024-06-18 Published:2023-12-15
  • Contact: Wang Qian, MD, Associate professor, Master’s supervisor, Basic Medical College of North China University of Science and Technology, Tangshan 063000, Hebei Province, China
  • About author:Guo Xiaoling, Master candidate, Basic Medical College of North China University of Science and Technology, Tangshan 063000, Hebei Province, China
  • Supported by:
    National Science and Technology Support Program, No. 2012BAE06B03 (to WZQ); Hebei Province Science and Technology Support Project, No. 16277776D (to WZQ); Three-Three Talent Project, No. C20221117 (to ZH); 2023 Medical Science Research Project in Hebei Province, No. 20230215 (to WQ)

摘要:


文题释义:

多孔钽:实验使用的金属多孔钽材料采用海绵浸渍-高温烧结技术制备,材料切面粗糙,具有丰富的蜂窝状孔隙,镜下观察各孔隙间互通,呈多重十二面体网格排列,该结构类似人体松质骨结构,易诱导骨的内向生长。
成骨诱导因子缓释系统:聚乳酸-羟基乙酸共聚化合物作为典型的人工合成可降解高分子材料在医学领域得到广泛的应用,其可在生物体内通过三羧酸循环,依靠酯键水解而发生降解,最终降解的产物二氧化碳和水通过肺脏排出,对人体组织细胞无毒无害;其具有强大的缓释能力,可通过负载生物活性物质成骨诱导因子组成成骨诱导因子缓释系统,提高支架的成骨活性且促进骨再生。


背景:课题组前期研究发现,国产多孔钽有利于MG63细胞的早期黏附、增殖,可用作骨组织工程支架材料。

目的:进一步探讨成骨诱导因子缓释系统修饰的国产多孔钽对MG63细胞黏附增殖及分化能力的影响。
方法:在聚乳酸-羟基乙酸共聚化合物凝胶中加入体积分数为15%的成骨诱导因子溶液,构成成骨诱导因子缓释系统。取第3代MG63细胞,分别接种于单纯多孔钽表面(对照组)、聚乳酸-羟基乙酸共聚化合物凝胶涂覆的多孔钽表面(凝胶涂覆组)、成骨诱导因子缓释系统涂覆的多孔钽表面(缓释系统涂覆组),共培养5 d后,利用鬼笔环肽染色观察材料表面细胞骨架,流式细胞仪检测细胞增殖,Western blot、RT-qPCR检测材料表面细胞Ⅰ型胶原、骨桥蛋白、RUNX-2的蛋白和mRNA表达。

结果与结论:①鬼笔环肽染色显示,MG63细胞在3组多孔钽表面及内部黏附生长,细胞分泌的基质覆盖在材料表面;②流式细胞仪检测显示,缓释系统涂覆组细胞增殖快于对照组、凝胶涂覆组(P < 0.05);③Western blot、RT-qPCR检测显示,缓释系统涂覆组Ⅰ型胶原、骨桥蛋白、RUNX-2的蛋白和mRNA表达均高于对照组、凝胶涂覆组(P < 0.05);④结果表明,经成骨诱导因子缓释系统修饰的国产多孔钽有利于MG63成骨细胞的黏附、增殖及分化。

https://orcid.org/0009-0003-8693-4460(郭小玲)

中国组织工程研究杂志出版内容重点:生物材料;骨生物材料口腔生物材料纳米材料缓释材料材料相容性组织工程

关键词: 多孔钽, MG63细胞, 缓释系统, 成骨诱导因子, 聚乳酸-羟基乙酸共聚化合物

Abstract: BACKGROUND: Previous research by the research team found that domestically produced porous tantalum is beneficial for early adhesion and proliferation of MG63 cells, and can be used as a scaffold material for bone tissue engineering.
OBJECTIVE: To investigate the effect of domestic porous tantalum modified by osteogenic induction factor slow-release system on the adhesion, proliferation, and differentiation of MG63 cells. 
METHODS: Osteogenic induction factor slow-release system was constructed by adding 15% volume fraction of osteogenic factor solution to poly(lactic-co-glycolic-acid) gel. The passage 3 MG63 cells were inoculated on a porous tantalum surface (control group), porous tantalum surface coated with poly(lactic-co-glycolic-acid) copolymer gel (gel group), and porous tantalum surface coated with osteoblastic induction factor slow-release system (slow-release system group), and co-cultured for 5 days. The surface cytoskeleton of the material was observed by phalloidine staining. Cell proliferation was detected by flow cytometry. Western blot assay and RT-qPCR were used to detect the protein and mRNA expressions of type I collagen, osteopontin, and RUNX-2 on the surface cells of the material.
RESULTS AND CONCLUSION: (1) Phalloidine staining showed that MG63 cells adhered to and grew on the surface and inside of the three groups of porous tantalum, and the matrix secreted by the cells covered the surface of the material. (2) Flow cytometry showed that the cell proliferation in the slow-release system group was faster than that in the control group and the gel group (P < 0.05). (3) Western blot assay and RT-qPCR showed that the protein and mRNA expressions of type I collagen, osteopontin, and RUNX-2 in the slow-release system group were higher than those in the control group and gel group (P < 0.05). (4) The results showed that the domestic porous tantalum modified by the osteogenic induction factor slow-release system was beneficial to the adhesion, proliferation, and differentiation of MG63 osteoblasts.

Key words: porous tantalum, MG63 cell, slow-release system, osteogenic induction factor, poly(lactic-co-glycolic-acid) copolymer

中图分类号: